579  
CDUS43 KDMX 170628 RRA  
CLIALO  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
127 AM CDT FRI MAY 17 2019  
   
...............................
 
 
   
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 16 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1895 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 351 PM 92 1936 72 18 83  
MINIMUM 62 537 AM 30 1929 49 13 52  
1921  
AVERAGE 76 61 15 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.03 1999 0.15 -0.15 0.00  
MONTH TO DATE 1.39 2.26 -0.87 1.41  
SINCE MAR 1 6.40 8.03 -1.63 4.81  
SINCE JAN 1 10.57 9.85 0.72 9.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 2.4 6.4 -4.0 23.5  
SINCE JUL 1 60.0 35.3 24.7 45.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 191 127 64 66  
SINCE MAR 1 1703 1524 179 1869  
SINCE JUL 1 7442 6943 499 7312  
 
COOLING  
YESTERDAY 11 1 10 3  
MONTH TO DATE 11 16 -5 9  
SINCE MAR 1 15 24 -9 10  
SINCE JAN 1 15 24 -9 10    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 600 AM  
LOWEST 38 400 PM  
AVERAGE 58  
   
......................................................
 
 
 
THE WATERLOO IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 94 1934  
MINIMUM TEMPERATURE (F) 49 32 2014  
1925  
1915  
 
 
SUNRISE AND SUNSET  
MAY 17 2019...........SUNRISE 546 AM CDT SUNSET 827 PM CDT  
MAY 18 2019...........SUNRISE 545 AM CDT SUNSET 828 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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